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Many birds’ feathers are remarkably efficient at shedding water so much so that “like water off a duck’s back” is a common expression. Much more unusual are the belly feathers of the sandgrouse, esp...
Researchers at the University of Arizona (UA) and other institutions have discovered a new twist on the idea that evolution is driven by species interactions in a community. The results are published ...
Researchers at the University of Arizona (UA) and other institutions have discovered a new twist on the idea that evolution is driven by species interactions in a community. The results are published ...
Studies based on the Contemporary Theory of Metaphor (Lakoff & Johnson, 1980, 1999) usually identify conceptual metaphors by analysing linguistic expressions and creating a post hoc interpretation of ...
Inspired by the way iridescent bird feathers play with light, scientists have created thin films of material in a wide range of pure colors from red to green — with hues determined by physical struc...
Paleontologists studying fossilized feathers have proposed that the shapes of certain microscopic structures inside the feathers can tell us the color of ancient birds. But new research from North Car...
Feathers are one of the integument appendages that form the outer covering, or plumage, on birds. The goslings hatch with a downy coat of feathers formed in embryonic development. They moult the natal...
All described feathers in nonavian theropods are composite struc-tures formed by multiple filaments. They closely resemble rela-tively advanced stages predicted by developmental models of the origin ...
Recent discoveries of feathered dinosaur specimens have greatly improved our understanding of the origin and early evolution of feathers, but little information is available on the ontogenetic deve...
Seasonal changes occur in the plumage of male mallard ducks, and this phenomenon is referred to as seasonal dimorphism of the plumage. However, no information is available, especially morphological, a...
Over the years, innovative and daring choreographers such as Hans van Manen, Glen Tetley and Anders Hellström have always managed to find groups of performers with sound technique able to articul...
The market’s demand for fibrous materials with increased moisture retention is principally connected with the essential development of sanitary and cosmetic products. Keratin, which is included in fea...
BLACKSBURG, Va., April 3, 2007 -- Justin Barone, associate professor of biological systems engineering in the College of Agriculture and Life Sciences, is investigating ways to create biodegradable pl...

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